Display Panel

1. A display panel comprising: a substrate having a first display region and a second display region; a plurality of first pixels located on the first display region, wherein the plurality of first pixels are configured to emit red light, blue light, green light, or combination thereof; and a plurality of second pixels are located on the second display region, wherein the plurality of second pixels are configured to emit red light, blue light, green light, or combination thereof, wherein a ratio of a transmittance of the second pixels to a transmittance of the first pixels is 0.33 to 0.66, wherein the first pixels are arranged along a first direction and a second direction perpendicular with the first direction, each of spacings between each of adjacent ones of the first pixels in the first direction is less than each of spacings between each of adjacent ones of the second pixels in the first direction, and each of spacings between each of adjacent ones of the first pixels in the second direction is less than each of spacings between each of adjacent ones of the second pixels in the second direction.

2. The display panel of claim 1 , wherein the substrate has a third display region between the first display region and the second display region, and the display panel further comprises: a plurality of third pixels located on the third display region, wherein a transmittance of the third pixels is between the transmittance of the first pixels and the transmittance of the second pixels.

3. The display panel of claim 2 , wherein an area of each of the third pixels is between an area of each of the first pixels and an area of each of the second pixels.

4. The display panel of claim 1 , wherein the first pixels and the second pixels have the same brightness.

5. The display panel of claim 1 , wherein an area of each of the first pixels is larger than an area of each of the second pixels.

6. The display panel of claim 5 , wherein each of the first pixels comprises a first light-emitting area and a transparent region, and the transparent region occupies ⅓ to ⅔ of the area of the first pixel.

7. The display panel of claim 6 , wherein each of the second pixels comprises a second light-emitting region, an area of the second light-emitting region is equal to an area of the first light-emitting region.

8. The display panel of claim 1 , wherein each of the first pixels comprises a first light-emitting region and a transparent region, and the transparent region occupies ⅓ to ⅔ of an area of the first pixel.

9. The display panel of claim 8 , wherein each of the second pixels comprises a second light-emitting area, an area of the second light-emitting area is greater than an area of the first light-emitting area.

10. The display panel of claim 1 , wherein a ratio each of spacings between each of adjacent ones of the first pixels in the first direction to each of spacings between each of adjacent ones of the second pixels in the first direction is 0.33 to 0.66.

11. The display panel of claim 1 , wherein each of the first pixels comprises a first light-emitting region and a transparent region, the first light-emitting region comprises a first blue light-emitting diode, a first green light-emitting diode and a first red light-emitting diode, wherein in each of the first pixels, the transparent region is adjacent to the first blue light-emitting diode.

12. The display panel of claim 1 , further comprising: an optical module, disposed at a position corresponding to the first display region.

13. A display panel comprising: a substrate having a first display region and a second display region; a plurality of first pixels located on the first display region, wherein each of the plurality of first pixels includes a first blue light-emitting diode, a first green light-emitting diode, and a first red light-emitting diode; and a plurality of second pixels are located on the second display region, wherein each of the plurality of second pixels includes a second blue light-emitting diode, a second green light-emitting diode, and a second red light-emitting diode, wherein a ratio of a transmittance of the second pixels to a transmittance of the first pixels is 0.33 to 0.66, wherein the first pixels are arranged along a first direction and a second direction perpendicular with the first direction, each of spacings between each of adjacent ones of the first pixels in the first direction is less than each of spacings between each of adjacent ones of the second pixels in the first direction, and each of spacings between each of adjacent ones of the first pixels in the second direction is less than each of spacings between each of adjacent ones of the second pixels in the second direction.

14. A display panel comprising: a substrate having a first display region and a second display region; a plurality of first pixels located on the first display region, wherein each of the plurality of first pixels includes first switching elements and first light-emitting diodes, and the first switching elements and the first light-emitting diodes are electrically connected; and a plurality of second pixels are located on the second display region, wherein each of the plurality of second pixels includes second switching elements and second light-emitting diodes, and the second switching elements and the second light-emitting diodes are electrically connected, wherein a ratio of a transmittance of the second pixels to a transmittance of the first pixels is 0.33 to 0.66, wherein the first pixels are arranged along a first direction and a second direction perpendicular with the first direction, each of spacings between each of adjacent ones of the first pixels in the first direction is less than each of spacings between each of adjacent ones of the second pixels in the first direction, and each of spacings between each of adjacent ones of the first pixels in the second direction is less than each of spacings between each of adjacent ones of the second pixels in the second direction.